Tie-down anchor



FIG. 1 is a top perspective view of the tie-down anchor.

FIG. 2 is a front elevation view of the tie-down anchor.

FIG. 3 is a rear elevation view of the tie-down anchor.

FIG. 4 is a top plan view of the tie-down anchor.

FIG. 5 is a bottom view of the tie-down anchor.

FIG. 6 is a left side elevation view of the tie-down anchor; and,

FIG. 7 is a right side elevation view of the tie-down anchor.

CLAIM The ornamental design for a tie-down anchor, as shown anddescribed.